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The JWST Just Identified A Supernova From Only 730 Million Years After The Big Bang

The James Webb Space Telescope observed a supernova linked to a long gamma-ray burst at redshift 7.3, revealing early Universe stars resemble modern ones, researchers said.

Summary by Universe Today
The NASA/ESA/CSA James Webb Space Telescope has confirmed the source of a super-bright flash of light known as a gamma-ray burst, generated by an exploding massive star when the Universe was only 730 million years old. For the first time for such a remote event, the telescope provided a detection of the supernova’s host galaxy. Webb’s quick-turnaround observations verified data taken by telescopes around the world that had been following the gam…

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The James Webb Space Telescope has just found a new astronomical wonder, a supernova (GRB 250314A) dating back nearly 13 billion years, while the Universe was only 730 million years old. This prowess doubles with the identification of the host galaxy, which is totally ... Read more Like KultureGeek on Facebook, and follow us on Twitter Don't forget to download our free iAddict app for iPhone and iPad (link App Store) Read more James Webb Space T…

The James Webb Space Telescope has detected a 13-billion-year-old supernova. ESA reported a gamma-ray burst from a star that exploded just 730 million years after the Big Bang, and Webb also discovered its galaxy, according to RBC-Ukraine, citing Engadget. The supernova is more than a billion years older than previous records. Previously, the oldest recorded supernova was a star that exploded when the universe was 1.8 billion years old—a differe…

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Universe Today broke the news in United States on Wednesday, December 10, 2025.
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